ATSAML22G18A-AUT vs ATSAML21J18B-AUT Comparison
Detailed side-by-side comparison of ATSAML22G18A-AUT by Microchip Technology and ATSAML21J18B-AUT by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAML22G18A-AUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML22G18A-AUT ✓ ActiveMicrochip Technology
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML22G18A-AUT | ATSAML21J18B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $4.55 |
| Core | ARM Cortex-M0+ 32-bit | — |
| Maximum CPU Clock | 32 MHz | — |
| Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB (up to 40 KB reported by some sources) |
| Operating Voltage | 1.6 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (Automotive grade) | -40 C to +85 C (industrial) |
| Package | 48-TQFP (7x7 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel, AUT suffix) |
| Active Current (CoreMark) | 39 uA/MHz | — |
| Backup Mode Current (RTC) | 490 nA | — |
| ADC | 12-bit, 1 Msps | 12-bit |
| Segment LCD | Up to 8x40 segments | — |
| USB | Full-Speed USB 2.0 Device | USB 2.0 Full-Speed Device |
| Crypto Accelerator | AES, SHA, TRNG | — |
| Serial Interfaces | Up to 6 SERCOM (UART/SPI/I2C configurable) | Multiple SERCOM (configurable as UART/SPI/I2C) |
| MSL Level | MSL3 (per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | Compliant |
| Automotive Qualified | Yes (-AUT suffix, -40 to +85 C) | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM L21J, Functional Safety (FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 256 KB (256K x 8) |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.63 V |
| GPIO Count | — | 51 (per SAM L21J datasheet) |
| DAC | — | 10-bit |
| Touch Peripheral (PTC) | — | Yes (Peripheral Touch Controller) |
| Active Current | — | Under 35 uA/MHz |
| Sleep Current | — | 200 nA |
| Functional Safety | — | IEC 60730 Class B (FuSa variant) |
| Carrier Type | — | Tape & Reel (AUT suffix) |